Rowing machine



FIG. 1 is a front top perspective view in accordance with a rowing machine;

FIG. 2 is a top view of the design of FIG. 1 ;

FIG. 3 is a bottom view of the design of FIG. 1 ;

FIG. 4 is a right-side view of the design of FIG. 1 ;

FIG. 5 is a left-side view of the design of FIG. 1 ;

FIG. 6 is a front view of the design of FIG. 1 ;

FIG. 7 is a rear view of the design of FIG. 1 ; and,

FIG. 8 is a rear top perspective view of the design of FIG. 1 .

The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a rowing machine, as shown and described. 